nsIConverterInputStream scriptable, and adds nsIUnicharOutputStream and nsIConverterOutputStream (together with implementations). r=jshin sr=darin a=chofmann git-svn-id: svn://10.0.0.236/trunk@175107 18797224-902f-48f8-a5cc-f745e15eee43
nsIConverterInputStream scriptable, and adds nsIUnicharOutputStream and nsIConverterOutputStream (together with implementations). r=jshin sr=darin a=chofmann git-svn-id: svn://10.0.0.236/trunk@175107 18797224-902f-48f8-a5cc-f745e15eee43